North Korea fired multiple unidentified ballistic missiles toward the Yellow Sea, the South Korean Joint Chief of Staffs (JCS) said Monday.

North Korea launched several ballistic missiles toward the Yellow Sea on Monday afternoon, Seoul's military said, on the first day of a large-scale joint U.S-South Korea military exercise on the Peninsula.

North Korea launched multiple ballistic missiles, protesting U.S.-South Korea military drills after a mistaken bombing incident by South Korean jets. The missiles, considered non-immediate threats by the U.